add vfcvt fu

Makefile

@@ -71,5 +71,11 @@ emu: $(SOFTFLOAT) $(EMU)
 clean:
 	rm -rf build
 
+bsp:
+	mill -i mill.bsp.BSP/install
+
+idea:
+	mill -i mill.scalalib.GenIdea/idea
+
 test:
 	mill YunSuan.test.test

src/main/scala/yunsuan/encoding/Opcode/VfCvtOpcode.scala

@@ -0,0 +1,39 @@
+package yunsuan.encoding.Opcode
+
+import chisel3._
+
+object VfCvtOpcode {
+  def width = 8
+  // 000_000 -> 000_101 single
+  // 001_000 -> 001_110 widen
+  // 010_000 -> 010_111 norrow
+  // 100_000 1/sqrt7(x)
+  // 100_001 1/x7
+  //  f/i(input) ## f/i(output) ## intr's func1
+  def vfcvt_xufv        = "b10_000000".U(8.W)
+  def vfcvt_xfv         = "b10_000001".U(8.W)
+  def vfcvt_fxuv        = "b01_000010".U(8.W)
+  def vfcvt_fxv         = "b01_000011".U(8.W)
+  def vfcvt_rtz_xufv    = "b10_000110".U(8.W)
+  def vfcvt_rtz_xfv     = "b10_000111".U(8.W)
+
+  def vfrsqrt7          = "b11_100000".U(8.W)
+  def vfrec7            = "b11_100001".U(8.W)
+
+  def vfwcvt_xufv       = "b10_001000".U(8.W)
+  def vfwcvt_xfv        = "b10_001001".U(8.W)
+  def vfwcvt_fxuv       = "b01_001010".U(8.W)
+  def vfwcvt_fxv        = "b01_001011".U(8.W)
+  def vfwcvt_ffv        = "b11_001100".U(8.W)
+  def vfwcvt_rtz_xufv   = "b10_001110".U(8.W)
+  def vfwcvt_rtz_xfv    = "b10_001111".U(8.W)
+
+  def vfnvct_xufw       = "b10_010000".U(8.W)
+  def vfnvct_xfw        = "b10_010001".U(8.W)
+  def vfnvct_fxuw       = "b01_010010".U(8.W)
+  def vfnvct_fxw        = "b01_010011".U(8.W)
+  def vfnvct_ffw        = "b11_010100".U(8.W)
+  def vfnvct_rod_ffw    = "b11_010101".U(8.W)
+  def vfnvct_rtz_xufw   = "b10_010110".U(8.W)
+  def vfnvct_rtz_xfw    = "b10_010111".U(8.W)
+}

src/main/scala/yunsuan/package.scala

@@ -500,6 +500,38 @@ package object yunsuan {
     def vfsqrt  = "b1".U(1.W)
   }
 
+object VfcvtType {
+  def width = 8
+  //  f/i(input) ## f/i(output) ## intr's func1
+  def vfcvt_xufv        = "b10_000000".U(8.W)
+  def vfcvt_xfv         = "b10_000001".U(8.W)
+  def vfcvt_fxuv        = "b01_000010".U(8.W)
+  def vfcvt_fxv         = "b01_000011".U(8.W)
+  def vfcvt_rtz_xufv    = "b10_000110".U(8.W)
+  def vfcvt_rtz_xfv     = "b10_000111".U(8.W)
+
+  def vfrsqrt7          = "b11_100000".U(8.W)
+  def vfrec7            = "b11_100001".U(8.W)
+
+  def vfwcvt_xufv       = "b10_001000".U(8.W)
+  def vfwcvt_xfv        = "b10_001001".U(8.W)
+  def vfwcvt_fxuv       = "b01_001010".U(8.W)
+  def vfwcvt_fxv        = "b01_001011".U(8.W)
+  def vfwcvt_ffv        = "b11_001100".U(8.W)
+  def vfwcvt_rtz_xufv   = "b10_001110".U(8.W)
+  def vfwcvt_rtz_xfv    = "b10_001111".U(8.W)
+
+  def vfnvct_xufw       = "b10_010000".U(8.W)
+  def vfnvct_xfw        = "b10_010001".U(8.W)
+  def vfnvct_fxuw       = "b01_010010".U(8.W)
+  def vfnvct_fxw        = "b01_010011".U(8.W)
+  def vfnvct_ffw        = "b11_010100".U(8.W)
+  def vfnvct_rod_ffw    = "b11_010101".U(8.W)
+  def vfnvct_rtz_xufw   = "b10_010110".U(8.W)
+  def vfnvct_rtz_xfw    = "b10_010111".U(8.W)
+}
+
+
   object VectorElementFormat {
     def width = 2
     def b = "b00".U(width.W)